sha1.h File Reference


Detailed Description

Copyright (C) 2006-2009, Paul Bakker <polarssl_maintainer at polarssl.org> All rights reserved.

Joined copyright on original XySSL code with: Christophe Devine

This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version.

This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.

You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.

Definition in file sha1.h.

Go to the source code of this file.

Data Structures

struct  sha1_context
 SHA-1 context structure. More...

Functions

void sha1 (unsigned char *input, int ilen, unsigned char output[20])
 Output = SHA-1( input buffer ).
int sha1_file (char *path, unsigned char output[20])
 Output = SHA-1( file contents ).
void sha1_finish (sha1_context *ctx, unsigned char output[20])
 SHA-1 final digest.
void sha1_hmac (unsigned char *key, int keylen, unsigned char *input, int ilen, unsigned char output[20])
 Output = HMAC-SHA-1( hmac key, input buffer ).
void sha1_hmac_finish (sha1_context *ctx, unsigned char output[20])
 SHA-1 HMAC final digest.
void sha1_hmac_starts (sha1_context *ctx, unsigned char *key, int keylen)
 SHA-1 HMAC context setup.
void sha1_hmac_update (sha1_context *ctx, unsigned char *input, int ilen)
 SHA-1 HMAC process buffer.
int sha1_self_test (int verbose)
 Checkup routine.
void sha1_starts (sha1_context *ctx)
 SHA-1 context setup.
void sha1_update (sha1_context *ctx, unsigned char *input, int ilen)
 SHA-1 process buffer.


Function Documentation

void sha1 ( unsigned char *  input,
int  ilen,
unsigned char  output[20] 
)

Output = SHA-1( input buffer ).

Parameters:
input buffer holding the data
ilen length of the input data
output SHA-1 checksum result

Referenced by main().

int sha1_file ( char *  path,
unsigned char  output[20] 
)

Output = SHA-1( file contents ).

Parameters:
path input file name
output SHA-1 checksum result
Returns:
0 if successful, 1 if fopen failed, or 2 if fread failed

void sha1_finish ( sha1_context ctx,
unsigned char  output[20] 
)

SHA-1 final digest.

Parameters:
ctx SHA-1 context
output SHA-1 checksum result

void sha1_hmac ( unsigned char *  key,
int  keylen,
unsigned char *  input,
int  ilen,
unsigned char  output[20] 
)

Output = HMAC-SHA-1( hmac key, input buffer ).

Parameters:
key HMAC secret key
keylen length of the HMAC key
input buffer holding the data
ilen length of the input data
output HMAC-SHA-1 result

void sha1_hmac_finish ( sha1_context ctx,
unsigned char  output[20] 
)

SHA-1 HMAC final digest.

Parameters:
ctx HMAC context
output SHA-1 HMAC checksum result

void sha1_hmac_starts ( sha1_context ctx,
unsigned char *  key,
int  keylen 
)

SHA-1 HMAC context setup.

Parameters:
ctx HMAC context to be initialized
key HMAC secret key
keylen length of the HMAC key

void sha1_hmac_update ( sha1_context ctx,
unsigned char *  input,
int  ilen 
)

SHA-1 HMAC process buffer.

Parameters:
ctx HMAC context
input buffer holding the data
ilen length of the input data

int sha1_self_test ( int  verbose  ) 

Checkup routine.

Returns:
0 if successful, or 1 if the test failed

Referenced by main().

void sha1_starts ( sha1_context ctx  ) 

SHA-1 context setup.

Parameters:
ctx context to be initialized

void sha1_update ( sha1_context ctx,
unsigned char *  input,
int  ilen 
)

SHA-1 process buffer.

Parameters:
ctx SHA-1 context
input buffer holding the data
ilen length of the input data


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